EP3201686B1 - Architectures et procédés pour délivrer de la lumière à des longueurs d'onde différentes d'un guide d'ondes - Google Patents

Architectures et procédés pour délivrer de la lumière à des longueurs d'onde différentes d'un guide d'ondes Download PDF

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Publication number
EP3201686B1
EP3201686B1 EP15847759.6A EP15847759A EP3201686B1 EP 3201686 B1 EP3201686 B1 EP 3201686B1 EP 15847759 A EP15847759 A EP 15847759A EP 3201686 B1 EP3201686 B1 EP 3201686B1
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European Patent Office
Prior art keywords
light
waveguide
wavelengths
optical element
outcoupling
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EP15847759.6A
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German (de)
English (en)
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EP3201686A1 (fr
EP3201686B9 (fr
EP3201686A4 (fr
Inventor
Robert Dale Tekolste
Michael Anthony Klug
Brian T. Schowengerdt
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Magic Leap Inc
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Magic Leap Inc
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Priority to EP21203807.9A priority Critical patent/EP3968085A1/fr
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0025—Diffusing sheet or layer; Prismatic sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
    • G02B2027/0114—Head-up displays characterised by optical features comprising device for genereting colour display comprising dichroic elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0127—Head-up displays characterised by optical features comprising devices increasing the depth of field
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
    • G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G02B2027/0174—Head mounted characterised by optical features holographic
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B2027/0192—Supplementary details
    • G02B2027/0194—Supplementary details with combiner of laminated type, for optical or mechanical aspects

Claims (15)

  1. Système optique comprenant :
    une pluralité de guides d'ondes empilés (1210, 1220, 1230, 905), chaque guide d'ondes (905) comprenant une première surface principale (905a) et une seconde surface principale (905b), chaque guide d'ondes (905) comprenant en outre :
    un élément optique de couplage d'entrée (1007) configuré pour coupler la lumière incidente pénétrant dans le guide d'ondes ;
    un premier filtre sélectif en longueur d'onde (1013a) sur la première surface principale (905a), le premier filtre sélectif en longueur d'onde (1013a) ayant une première surface arrière adjacente à la première surface principale (905a) et une première surface avant opposée à la première surface arrière, le premier filtre sélectif en longueur d'onde (1013a) étant configuré pour :
    transmettre de la lumière couplée en entrée ayant une première pluralité de longueurs d'onde à travers la première surface arrière et réfléchir une partie de la lumière transmise ayant la première pluralité de longueurs d'onde provenant de la première surface avant et recevoir de la lumière couplée en entrée se propageant dans le guide d'ondes (905) ; et
    un premier élément optique de découplage (1009a) disposé sur le premier filtre sélectif en longueur d'onde (1013a), le premier élément optique de découplage (1009a) étant configuré pour découpler la lumière couplée en entrée ayant une première pluralité de longueurs d'onde transmise à travers le premier filtre sélectif en longueur d'onde (1013a),
    dans lequel le premier filtre sélectif en longueur d'onde (1013a) est entre la première surface principale (905a) et le premier élément optique de découplage (1009a).
  2. Le système optique selon la revendication 1, dans lequel chaque guide d'ondes (905) comprend en outre :
    un deuxième filtre sélectif en longueur d'onde (1013b) sur la deuxième surface principale (905b) ; et
    un second élément optique de découplage (1009b) disposé sur le second filtre sélectif en longueur d'onde (1013b), le second élément optique de découplage (1009b) étant configuré pour découpler la lumière couplée en entrée ayant une ou plusieurs secondes longueurs d'onde transmise à travers le second filtre sélectif en longueur d'onde (1013b),
    dans lequel le second filtre sélectif en longueur d'onde est entre la seconde surface principale (905b) et le second élément optique de découplage (1009b).
  3. Système optique selon la revendication 1, dans lequel chaque guide d'ondes (905) a un plan de profondeur associé, et dans lequel chaque guide d'ondes (905) est configuré pour produire une image semblant provenir du plan de profondeur associé de ce guide d'ondes.
  4. Système optique selon la revendication 1, dans lequel des guides d'ondes différents parmi la pluralité de guides d'ondes empilés (1210/1220/1230/905) ont des plans de profondeur associés différents.
  5. Système optique selon la revendication 4, dans lequel les éléments optiques de découplage (1009a/1009b) pour des plans de profondeur différents ont des puissances optiques différentes de façon à fournir une divergence différente de la lumière sortante pour chaque plan de profondeur.
  6. Système optique selon la revendication 1, dans lequel le premier filtre sélectif en longueur d'onde (1013a) est configuré pour transmettre de la lumière couplée en entrée ayant une première pluralité de longueurs d'onde et pour réfléchir de la lumière couplée en entrée ayant des longueurs d'onde différentes de la première pluralité de longueurs d'onde.
  7. Système optique selon la revendication 2, dans lequel le second filtre sélectif en longueur d'onde (1013b) est configuré pour transmettre de la lumière couplée en entrée ayant une ou plusieurs secondes longueurs d'onde et pour réfléchir de la lumière couplée en entrée ayant des longueurs d'onde autres que les une ou plusieurs secondes longueurs d'onde.
  8. Système optique selon la revendication 2, dans lequel les premier et second filtres sélectifs en longueur d'onde (1013a/1013b) comprennent des filtres dichroïques
  9. Système optique selon la revendication 2, dans lequel les premier et second filtres sélectifs en longueur d'onde (1013a/1013b) sont configurés pour transmettre de la lumière ayant la première pluralité de longueurs d'onde et la ou les secondes longueurs d'onde incidente à des angles compris entre 0 degré et 20 degrés par rapport à une normale à la première ou à la seconde surface principale correspondante du guide d'ondes.
  10. Système optique selon la revendication 2, comprenant en outre :
    des éléments de distribution de lumière (1011a/1011b) configurés pour :
    recevoir de la lumière couplée en entrée ayant la première pluralité de longueurs d'onde et la ou les secondes longueurs d'onde provenant de l'élément optique de couplage d'entrée (1007) ; et
    distribuer la lumière ayant la première pluralité de longueurs d'onde et la ou les secondes longueurs d'onde aux premier et second éléments optiques de découplage (1013a/1013b).
  11. Système optique selon la revendication 10, dans lequel les éléments de distribution de la lumière (1011a/1011b) comprennent un ou plusieurs éléments optiques diffractifs.
  12. Système optique selon la revendication 10, dans lequel les éléments de distribution de la lumière (1011a/1011b) sont des élargisseurs de pupille orthogonaux.
  13. Système optique selon la revendication 2, dans lequel :
    le premier élément optique de découplage (1009a) comprend un ou plusieurs éléments optiques diffractifs ; et
    le second élément de découplage (1009b) comprend un ou plusieurs éléments optiques diffractifs.
  14. Système optique selon la revendication 13, dans lequel le ou les éléments optiques diffractifs du premier élément optique de découplage (1009a) ou le ou les éléments optiques diffractifs du second élément optique de découplage (1009b) comprend un réseau à relief de surface, un hologramme, ou un élément optique diffractif commutable.
  15. Système optique selon la revendication 14, dans lequel l'élément optique diffractif commutable comprend un réseau commutable de Cristaux Liquides Dispersés dans un Polymère (PDLC) ou dans lequel le réseau à relief de surface comprend au moins un réseau analogique à relief de surface (ASR) ou au moins une structure binaire à relief de surface (BSR).
EP15847759.6A 2014-09-29 2015-09-29 Architectures et procédés pour délivrer de la lumière à des longueurs d'onde différentes d'un guide d'ondes Active EP3201686B9 (fr)

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Application Number Priority Date Filing Date Title
EP21203807.9A EP3968085A1 (fr) 2014-09-29 2015-09-29 Architectures et procédés pour délivrer de la lumière à des longueurs d'onde différentes d'un guide d'ondes

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US201462057165P 2014-09-29 2014-09-29
PCT/US2015/053016 WO2016054092A1 (fr) 2014-09-29 2015-09-29 Architectures et procédés pour délivrer de la lumière à des longueurs d'onde différentes d'un guide d'ondes

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EP21203807.9A Division EP3968085A1 (fr) 2014-09-29 2015-09-29 Architectures et procédés pour délivrer de la lumière à des longueurs d'onde différentes d'un guide d'ondes
EP21203807.9A Division-Into EP3968085A1 (fr) 2014-09-29 2015-09-29 Architectures et procédés pour délivrer de la lumière à des longueurs d'onde différentes d'un guide d'ondes

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EP3201686A1 EP3201686A1 (fr) 2017-08-09
EP3201686A4 EP3201686A4 (fr) 2018-05-23
EP3201686B1 true EP3201686B1 (fr) 2021-11-10
EP3201686B9 EP3201686B9 (fr) 2022-01-12

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EP15847759.6A Active EP3201686B9 (fr) 2014-09-29 2015-09-29 Architectures et procédés pour délivrer de la lumière à des longueurs d'onde différentes d'un guide d'ondes

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US (7) US10261318B2 (fr)
EP (2) EP3968085A1 (fr)
JP (4) JP6863896B2 (fr)
KR (4) KR20240005987A (fr)
CN (3) CN112925100B (fr)
AU (2) AU2015323940B2 (fr)
CA (2) CA2962899C (fr)
IL (5) IL291474B1 (fr)
NZ (2) NZ730509A (fr)
WO (1) WO2016054092A1 (fr)

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CN112925100B (zh) 2023-10-31
WO2016054092A1 (fr) 2016-04-07
US10901219B2 (en) 2021-01-26
EP3968085A1 (fr) 2022-03-16
US20190243142A1 (en) 2019-08-08
IL251433B (en) 2021-01-31
AU2015323940A1 (en) 2017-05-04
US20170322419A1 (en) 2017-11-09
IL280979A (en) 2021-04-29
IL291474A (en) 2022-05-01
CA3168318A1 (fr) 2016-04-07
KR102295496B1 (ko) 2021-09-01
NZ730509A (en) 2018-08-31
US20190243141A1 (en) 2019-08-08
IL291474B1 (en) 2024-03-01
AU2021218126A1 (en) 2021-09-09
EP3201686B9 (fr) 2022-01-12
JP2017531840A (ja) 2017-10-26
CN112925100A (zh) 2021-06-08
JP2022093374A (ja) 2022-06-23
US10261318B2 (en) 2019-04-16
KR102619410B1 (ko) 2023-12-29
JP6863896B2 (ja) 2021-04-21
US20230408823A1 (en) 2023-12-21
US11042032B2 (en) 2021-06-22
KR20170065609A (ko) 2017-06-13
EP3201686A4 (fr) 2018-05-23
JP7057459B2 (ja) 2022-04-19
US11796814B2 (en) 2023-10-24
IL251433A0 (en) 2017-05-29
US20190121142A1 (en) 2019-04-25
CN107111204B (zh) 2021-02-09
JP2024003025A (ja) 2024-01-11
IL280979B (en) 2022-04-01
CA2962899A1 (fr) 2016-04-07
CA2962899C (fr) 2022-10-04
KR20210110731A (ko) 2021-09-08
US20210311316A1 (en) 2021-10-07
US11016300B2 (en) 2021-05-25
KR20240005987A (ko) 2024-01-12
KR20220100089A (ko) 2022-07-14

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